<div class="col-md-12" style="background: #fff;padding: 10px 0">
    <div class="form-group" >
        <div class="col-sm-3"></div>
        <div class="col-sm-6">
            <form action="/{{request()->path()}}" method="GET">
                <input style="display: inline-block;float: left;width: 400px" type="text" class="form-control serial_number" placeholder="评估编号" name="patent_sn" value="{{request()->get('patent_sn')}}">
                &nbsp;&nbsp;<button class="btn btn-info submit btn-sm"><i class="fa fa-search"></i>&nbsp;&nbsp;搜索</button>
            </form>
        </div>
        <div class="col-sm-3"></div>
    </div>
</div>
